Check the listing for details. TheraPearl 2 PACK Reusable HOT COLD, for SHIN with wrap and strap (2 PACK). Condition: New. Listed at 14.89 USD. TheraPearl Reusable HOT COLD 2 PACK, FOR SHIN with wrap and strap 2 PACK New TheraPearl Color Changing Hot + Cold packs feature TheraPearl ColorSmart Technology with pearls that visibly change colors when hot or cold, the pearls turn white when hot and purple when coldPack of two reusable shin wraps are the perfect reusable ice packs for running pains, shin splints, stress fractures, and moreHot and cold compress with gel pearls that conveniently hold temperature for the doctor-recommended time of approximately 20 minutesPlace gel pack in microwave for 25-40 seconds for heat therapy or place in freezer for at least 2 hours for a cold therapeutic pain relief experience, refer to microwave instructions chartNon-latex BPA-free and phthalate-free, these packs can be worn around the house or on the go to provide pain relief where and when you need it, wrap measures 6" x 10"